By Cyrielle Marjolaine. Power. Publised at Monday, December 18th 2017, 10:47:11 AM. Line regulation refers to the ability of the voltage regulator to reject variations in the applied voltage (often referred to as the line voltage because it is usually derived from the AC power line) and is expressed as a percentage. Ideally, the line regulation would be zero percent meaning that the output voltage is perfectly independent of the line voltage. The equation for line regulation is as follows. Note that line voltage can also mean the DC input voltage for some applications. Line regulation always refers to whatever the input of interest is. Line regulation is expressed in percent and the ideal value is zero meaning that the output voltage is completely independent of the input voltage.
By Bertille Solange. Amplifier. Published at Monday, December 25th 2017, 06:04:45 AM. In a class B amplifier, no DC voltage is used to bias the transistors, so for the output transistors to start to conduct each half of the waveform, both positive and negative, they need the base-emitter voltage Vbe to be greater than the 0.7v required for a bipolar transistor to start conducting.
By Valentine Sybille. Circuit. Published at Monday, December 25th 2017, 05:39:30 AM. A collection of electronic components that have been assembled and interconnected to perform a given function is commonly referred to as a circuit. The word circuit derives from the fact that electric power must flow from the positive terminal of a power source through one or more electronic devices and back to the negative terminal of a power source, thereby forming a circuit. If the connections between an electronic device and either the positive or negative terminals of a power supply are interrupted, the circuit will be broken and the device will not function.
By Valentine Sybille. Amplifier. Published at Monday, December 25th 2017, 05:18:44 AM. The introduction to the amplifier gain can be said to be the relationship that exists between the signal measured at the output with the signal measured at the input. There are three different kinds of amplifier gain which can be measured and these are: Voltage Gain ( Av ), Current Gain ( Ai ) and Power Gain ( Ap ) depending upon the quantity being measured with examples of these different types of gains are given below.
By Alix Loane. Diagram. Published at Monday, December 25th 2017, 03:55:15 AM. Several different resistors are used on Digilent boards. Some are used to limit LED current, and some are used on inputs (like the button and switch circuits) to both limit the currents flowing to the main chip, and to help protect against electrostatic discharge (or ESD – more on this topic later). The resistors on the Digilent boards, like most resistors used in digital systems, are physically small because they will not encounter large voltages or currents. For these smaller resistors, the resistor value in Ohms is printed in microscopic numbers on the resistor body, not visible to the naked eye.
By Alix Loane. Circuit. Published at Monday, December 25th 2017, 03:27:19 AM. When multiple components are connected in parallel, the voltage drop is the same across all components. When multiple components are connected in series, the total voltage is the sum of the voltages across each component. These two statements can be generalized as Kirchoff’s Voltage Law (KVL), which states that the sum of voltages around any closed loop (e.g. starting at one node, and ending at the same node) is zero.
By Madeleine Catherine. Circuit. Published at Monday, December 25th 2017, 02:34:45 AM. Most electronic circuits can be represented as a system with an input and an output. The input signal is typically a voltage that is generated by a sensor or by another circuit. The output signal is also
By Lydie Honorine. Circuit. Published at Monday, December 25th 2017, 02:27:56 AM. A simple low-pass filter circuit, which allows low frequency signals to pass through the circuit while attenuating high-frequency signals, can be made using a resistor and capacitor in series.The transfer function of this filter can be determined by analyzing the circuit as a voltage divider,
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